The only thing more flawless than a Saybrook’s solitaire is the family behind the diamond empire. Beauties, entrepreneurs, debutantes, and mavens, the Saybrooks are the epitome of high society. Anyone would kill to be one of them. But be careful what you wish for, because if you were a Saybrook, you’d be haunted by secrets and plagued by a dark streak of luck. Tragedy strikes the prominent family yet again on a beautiful morning in May when 34-year-old Poppy, the most remarkable Saybrook of them all, flings herself from the window of her office.

Musical genius Mackenzie is desperate to get into Juilliard, even if it means playing a duet with her best friend's boyfriend. Beautiful Ava isn't above using her assets to get an A. Athletic Caitlin is one goal away from a soccer scholarship - if she can call a time-out on her relationship drama. Popular Julie has it all - literally, thanks to her hoarder mom - and will do anything to keep her family's secret. And former It Girl Parker is experimenting with her wild side.

Spencer covets her sister's boyfriend. Aria's fantasizing about her English teacher. Emily's crushing on the new girl at school. And Hanna uses some ugly tricks to stay beautiful. But they've all kept an even bigger secret since their friend Alison vanished.

Aldrich University is rocked to its core when a hacker dumps 40,000 people's e-mails - the entire faculty, staff, students, alums - onto an easily searchable database. Rumors and affairs immediately leak, but things turn explosive when Kit Manning's handsome husband, Dr. Greg Strasser, is found murdered. Kit's sister, Willa, returns for the funeral, setting foot in a hometown she fled 15 years ago, after a night she wishes she could forget. As an investigative reporter, Willa knows something isn't right about the night Greg was killed, and she's determined to find the truth.

Pay close attention, and you might solve this. On Monday afternoon five students at Bayview High walk into detention. Bronwyn, the brain, is Yale-bound and never breaks a rule. Addy, the beauty, is the picture-perfect homecoming princess. Nate, the criminal, is already on probation for dealing. Cooper, the athlete, is the all-star baseball pitcher. And Simon, the outcast, is the creator of Bayview High's notorious gossip app. Only Simon never makes it out of that classroom. Before the end of detention, Simon's dead.

Red Kenny is on a road trip for spring break with five friends: Her best friend - the older brother - his perfect girlfriend - a secret crush - a classmate - and a killer. When their RV breaks down in the middle of nowhere with no cell service, they soon realize this is no accident. They have been trapped by someone out there in the dark, someone who clearly wants one of them dead. With eight hours until dawn, the six friends must escape, or figure out which of them is the target.

Social media influencer Summer Cartwright leads a very charmed life. Every moment of her life has been carefully planned and cultivated to complement her "imperfectly perfect" social media persona. But when Summer goes missing during her annual Halloween party and then an unscheduled post appears on her feed stating that she'll be dead within the next five minutes, those closest to Summer know something isn't quite right—or on-brand.

Ellingham Academy is a famous private school in Vermont for the brightest thinkers, inventors, and artists. It was founded by Albert Ellingham, an early 20th century tycoon, who wanted to make a wonderful place full of riddles, twisting pathways, and gardens. "A place", he said, "where learning is a game." Shortly after the school opened, his wife and daughter were kidnapped. The only real clue was a mocking riddle listing methods of murder, signed with the frightening pseudonym "Truly, Devious".

Avery Grambs has a plan for a better future: Survive high school, win a scholarship, and get out. But her fortunes change in an instant when billionaire Tobias Hawthorne dies and leaves Avery virtually his entire fortune. The catch? Avery has no idea why - or even who Tobias Hawthorne is. To receive her inheritance, Avery must move into sprawling, secret passage-filled Hawthorne House, where every room bears the old man's touch - and his love of puzzles, riddles, and codes.

Fun-loving Jake tells his girlfriend, Jessica, that they have to go to Tegan’s end-of-summer party in their tiny California beach town. Jessica doesn’t like parties, and she doesn’t like Tegan, who has an obvious, obsessive crush on Jake. But she agrees to go, to make Jake happy.

Teancum Leon, who goes by Tean, is a wildlife veterinarian. His life has settled into a holding pattern: He loves his job, he hates first dates, and he only occasionally has to deal with his neighbor Mrs. Wish’s cat-related disasters. All of that changes, though, when a man appears in his office, asking for help to find his brother. Jem is convinced that something bad has happened to Benny, and he thinks Tean might be able to help. Tean isn’t sure, but he’s willing to try. After all, Jem is charming and sweet and surprisingly vulnerable. Oh. And hot.

Echo Ridge is small-town America. Ellery's never been there, but she's heard all about it. Her aunt went missing there at age 17. And only five years ago, a homecoming queen put the town on the map when she was killed. Now, Ellery has to move there to live with a grandmother she barely knows. The town is picture-perfect, but it's hiding secrets. And before school even begins for Ellery, someone has declared open season on homecoming, promising to make it as dangerous as it was five years ago. Then, almost as if to prove it, another girl goes missing.

Four years ago, Brynn left Saint Ambrose School following the shocking murder of her favorite teacher—a story that made headlines after the teacher’s body was found by three Saint Ambrose students in the woods behind their school. The case was never solved. Now that Brynn is moving home and starting her dream internship at a true-crime show, she’s determined to find out what really happened.

What Hurts the Most, Book 1: While her life is going from bad to worse, journalist Mary Mills receives a disturbing phone call from her father. Her brother was arrested, charged with murder. Mary decides to go back to her hometown of Cocoa Beach, Florida, which she left 20 years back and has never visited since. You Can Run, Book 2: Mary Mills is enjoying her new life in Cocoa Beach. She is back with her husband and hanging out with her old friends from the 7th Street Crew. She is doing pretty well for herself when she realizes one of her best friends is in serious trouble.

After being jilted by her ex-boyfriend and best friend, Jade couldn't be more ready to embark on the adventure of a lifetime—11 countries in 4 months, all from the luxurious Campus on Board ship—and to wedge an entire globe between her and the people who broke her heart. But when Jade discovers the backstabbing couple are also setting sail, her obsession with them grows and festers, leading to a shocking murder.